Memory leak in WriteTIFFImage

[jgj212]

Prerequisites

• I have written a descriptive issue title
• I have verified that I am using the latest version of ImageMagick
• I have searched open and closed issues to ensure it has not already been reported

Description

Memory leak in WriteTIFFImage

Steps to Reproduce

    quantum_info=AcquireQuantumInfo(image_info,image);							//line 3506, allocation for quantum_info
    if (quantum_info == (QuantumInfo *) NULL)
      ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
    if ((image->storage_class != PseudoClass) && (image->depth >= 32) &&
        (quantum_info->format == UndefinedQuantumFormat) &&
        (IsHighDynamicRangeImage(image,exception) != MagickFalse))
      {
        status=SetQuantumFormat(image,quantum_info,FloatingPointQuantumFormat);
        if (status == MagickFalse)
          ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");  	//line 3515, memory leak as not free quantum_info
      }

System Configuration

• ImageMagick version: 7.0.7-28
• Environment (Operating system, version and so on): Ubuntu14.04 x86_64
• Additional information:

Credit: ADLab of Venustech

[urban-warrior]

Thanks for the problem report. We can reproduce it and will have a patch to fix it in GIT master branch @ https://github.com/ImageMagick/ImageMagick later today. The patch will be available in the beta releases of ImageMagick @ https://www.imagemagick.org/download/beta/ by sometime tomorrow.

[abergmann]

CVE-2018-10804 was assigned to this issue.

[bastien-roucaries]

Do you have the im6 commit ?

[dlemstra]

ImageMagick/ImageMagick6@0300424